The 3 things I learned when I had my foundation repaired that shocked me were: skimping on drainage grading invites
https://medium.com/@lyndanwnum/homeowner-guide-3-things-to-know-before-calling-for-foundation-repairs-27b771fe8979
The 3 things I learned when I had my foundation repaired that shocked me were: skimping on drainage grading invites repeat settlement, and clay caps help shed water.